TextForAgents for Grok
com.textforagents/textforagents
Give your agent a real phone number — send and receive SMS and MMS from a persistent US number.
client:Grok
transport:streamable-http
tools:3
Install TextForAgents in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"textforagents": {
"type": "http",
"url": "https://api.textforagents.com/mcp"
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs